Ian Clarke wrote: > I believe another way to suppress the influence of outliers is to use > a geometric mean, ie. rather than adding N numbers and dividing my > N, you multiply the N numbers, and take the Nth root of the result. > > Ian.
Ah, yes,this seems to be true. It is also always less than the arithmetic mean which is mostly what I wanted anyway, and it also explains why my observed difference is so small! =) --- John B?ckstrand
